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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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